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11.06.2019 No. 1 No. 2 No. 3 No. 4

Mathematics, Physics, Technical Sciences, Information Science

Volume 20, Number 2

April - June 2019

contents

 

 MATHEMATICS

 
     
1. Elena-Cristina CANEPA, Traian A. PIRVU, A mathematical model and the optimal strategy in the transactions between one bank and the central bank 107
     
2. Zhou-Zheng KANG, Tie-Cheng XIA, Wen-Xiu MA, Abundant multiwave solutions to the (3+1)-dimensional Sharma-Tasso-Olver-like equation 114
     
3. Tudor BARBU, Segmentation-based non-texture image compression framework using anisotropic diffusion models 122
     
 

 Physics

 
     
4. Darius PLONIS, Andrius KATKEVIČIUS, Vacius MALI©AUSKAS, Attenuation phenomena in gyroelectric waveguides with anisotropic dielectric layer 131
     
5. Virgil-Florin DUMA, Optical attenuators with Risley prisms and disk choppers 139
     
6. Vladimir SERGENTU, Veaceslav URSAKI, Anatolii IOISHER, Eliezer ADAR, Solar energy concentrators in geostationary orbits 149
     
 

Technical Sciences

 
     
7. Ovidiu BUIGA, 3 stage helical speed reducer partial gear ratios optimal determination using genetic algorithms 156
     
8. Sathish KUMAR SHANMUGAM, Karthikeyan MUTHUSAMY, Vijayachitra CHENNIPPAN, Suresh BALASUBRAMANIAM, Sampathkumar RAMASAMY, Saravanan SUBRAMANIAN, Modelling of solar photovoltaic array fed brushless DC motor drive using enhanced DC-DC converter 164
     
9. Corina BIRLEANU, Marius PUSTAN, Violeta Valentina MERIE, Horea George CRIȘAN, Effect of film thickness on the tribo-mechanical properties of chrome-gold thin films 174
     
 

INFORMATION SCIENCE

 
     
10. Andrej ZGANK, Cross-lingual speech recognition between languages from the same language family 184
     
11. Iulian B. CIOCOIU, Invariant pattern recognition using support vector data description and tangent distance 192
     
12. Lucian N. VINȚAN, Neural branch prediction: from the first ideas, to implementations in advanced microprocessors and medical applications 200
     
     
 

 

 
 

Proc. Ro. Acad., Series A, Volume 20, No. 2, pp. 107-207, Bucharest, 2019

 
 

 

 
 
copyright © Academia Romānă 2006

copyright © Academia Romānă 2006